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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/varasm.c | 9 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 17dab64..5d89dbb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-08-18 Tamar Christina <tamar.christina@arm.com> + Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * varasm.c (default_use_anchors_for_symbol_p): Reject too large decls. + 2016-08-18 Richard Biener <rguenther@suse.de> * ssa-iterators.h (ssa_vuse_operand): New inline. diff --git a/gcc/varasm.c b/gcc/varasm.c index e747d2c..00a9b30 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -6793,6 +6793,15 @@ default_use_anchors_for_symbol_p (const_rtx symbol) sections that should be marked as small in the section directive. */ if (targetm.in_small_data_p (decl)) return false; + + /* Don't use section anchors for decls that won't fit inside a single + anchor range to reduce the amount of instructions require to refer + to the entire declaration. */ + if (decl && DECL_SIZE (decl) + && tree_to_shwi (DECL_SIZE (decl)) + >= (targetm.max_anchor_offset * BITS_PER_UNIT)) + return false; + } return true; } |